Home / 192,205.40-288,307.42-51,964

Finding the Fourth Proportional to 192,205.40, 288,307.42 and 51,964

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Solution

The fourth proportional to 192,205.40, 288,307.42 and 51,964 is: 77,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,205.40 : 288,307.42 = 51,964 : x
  2. Step 2: Convert to fraction form
    192,205.40/288,307.42 = 51,964/x
  3. Step 3: Cross multiply
    192,205.40x = 288,307.42 × 51,964
  4. Step 4: Simplify right side
    192,205.40x = 14,981,606,772.88
  5. Step 5: Solve for x
    x = 14,981,606,772.88/192,205.40
  6. Step 6: Final answer
    x = 77,945.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.